Pleomorphism Study guides, Class notes & Summaries

PORTAGE LEARNING NURS 231: Pathophysiology 2022 Module 2 Exam Question 1 3 / 3 pts True/False: Blood tests for tumor markers are the single best screening tool for cancer. Why or why not? Your Answer: False. Tumor markers, which can be used for establishig prognosis, monitoring treatment and detecting recurrent disease, have limitiations. Under benign situations, tumor markers can still be elevated. Whereas in early stages of malignancy, not elevated. They have a lack of specificity an...

1) An intravenous minibag containing 100ml is to be infused in 15 minutes. What is the required flow rate in mL/hour? A) 100 ml/hour B) 50 ml/hour C) 25 ml/hour D) 400 ml/hour 2) A patient asks the nurse what a cancer cell’s growth rate is called. What is the nurses best response? Select one. A) Cancer cells growth rate is called neoplasm B) Cancer cells growth rate is called anaplasia C) Cancer cells growth rate is called proliferation D) Cancer cells growth rate is called pleomorp...

Microbiology - CORRECT ANSWER-The study of organisims too small to beseen without magnification Microorganisms include - CORRECT ANSWER-Bacteria, viruses, fungi, Protozoa, helminths (parasitic worm) algae Prokaryotes - - CORRECT ANSWER-Prenucleus simple cells microscopic unicellular Which one could be unicellular or multicellular or even both - CORRECT ANSWER-Eukaryotes Do viruses have both DNA and RNA ? - CORRECT ANSWER-No In 1857, Louis Pasteur hypothesized that disease in people was ca...

Neoplasia Part 2, UTHSC Fall 2022 D2 Pathology Benign tumor characteristics Intact skin surface Expansile growth Capsule Homogenous Cut surface malignant tumor characteristics Invasive growth Ulceration of skin Lymphatic invasion Inhomogenous cut surface Necrosis Hemorrhage Vessel invasion Histopathologically, malignant tumors demonstrate cellular atypia Features of Cellular Atypia - Pleomorphism (variation in cell size and shape, tumor giant cells) - Increased nucleus/cytoplas...

AAB MT MICROBIOLOGY EXAM TEST 2023/2024 Kills vegetative organisms but not all spores or viruses - CORRECTANSWER-Boiling sterilization Used to sterilize media containing milk or serum;alternate heating - CORRECTANSWER-Fractional sterilization Most effective method of sterilization - CORRECTANSWER-Autoclaving What bacteria is used for quality control? - CORRECTANSWER-Bacillus stearothermophilus What sterilization technique kills by oxidation? - CORRECTANSWER-Dry heat What bacteria is ...

NSG 533 – Oncogenesis Exam Questions With Correct Answers Inherited forms of cancer are __________ mutations are thought to account for approximately _______% of all adult cancers - CORRECT ANSWERS germ line 5-10% Hereditary diffuse gastric cancer (HDGC) susceptibility syndrome involves germ line mutations in which gene? What does it encode? - CORRECT ANSWERS CDH1 gene that encodes the protein E-cadherin Hereditary breast & ovarian cancer is more common in which...

1) An intravenous minibag containing 100ml is to be infused in 15 minutes. What is the required flow rate in mL/hour? A) 100 ml/hour B) 50 ml/hour C) 25 ml/hour D) 400 ml/hour 2) A patient asks the nurse what a cancer cell’s growth rate is called. What is the nurses best response? Select one. A) Cancer cells growth rate is called neoplasm B) Cancer cells growth rate is called anaplasia C) Cancer cells growth rate is called proliferation D) Cancer cells growth rate is called pleomorp...

Characteristics of Dysplasia - ANSWER-Loss of uniformity of cell size and shape = pleomorphism, Loss of tissue orientation, Nuclear changes - increase nuclear:cytoplasmic ratio and clumped chromatin Reversible cell changes to injury - ANSWER-Cellular and mitochondrial swelling due to reduce ATP leading to reduce activity of Na/K and Ca pumps, Membrane blebbing, Nuclear chromatin clumping, Ribosomal / polysomal detachment (reduced protein synthesis). Irreversible cell changes to ...

Neoplasia Part 2, UTHSC Fall 2022 D2 Pathology Benign tumor characteristics Intact skin surface Expansile growth Capsule Homogenous Cut surface malignant tumor characteristics Invasive growth Ulceration of skin Lymphatic invasion Inhomogenous cut surface Necrosis Hemorrhage Vessel invasion Histopathologically, malignant tumors demonstrate cellular atypia Features of Cellular Atypia - Pleomorphism (variation in cell size and shape, tumor giant cells) - Increased nucleus/cytoplas...

PORTAGE LEARNING NURS 231: Pathophysiology LETRS Unit 1 Sessions 1-8 Assessment/Quizzes. Module 2 Exam Question 1 3 / 3 pts True/False: Blood tests for tumor markers are the single best screening tool for cancer. Why or why not? Your Answer: False. Tumor markers, which can be used for establishig prognosis, monitoring treatment and detecting recurrent disease, have limitiations. Under benign situations, tumor markers can still be elevated. Whereas in early stages of malignancy, n...